Best Catalytic Converters in 2022 (Review & Buying Guide)

Sometimes it might be quite difficult to find the best catalytic converters. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this catalytic converters buying guide.

Quick Picks:

10 Top Catalytic Converters Reviews:

Bestseller No. 1
AutoShack EM60471 Catalytic Converter Exhaust Pipe Direct Fit Replacement for 2007 2008 Chevrolet Tahoe Avalanche Suburban Silverado GMC Yukon Sierra 1500 5.3L 6.0L 4.3L 4.8L (EPA Compliant)
  • Direct fit for installation onto existing exhaust system. Hardware included. 100% new. Pipe may be 2 pieces for easy installation
  • EPA Compliant. OE / Interchange: 50469, 9233
  • Made from premium quality materials to meet OEM specifications
  • This product is not legal for sale or use in California, Colorado, New York and Maine due to state emissions regulations
  • Replacement for 2007 2008 Chevrolet Tahoe Avalanche Suburban Silverado GMC Yukon Sierra XL 1500 5.3L 6.0L 4.3L 4.8L. Please use Amazon's vehicle fitment tool (located at the top of the listing on desktop, below the images on mobile) to confirm that the part is correct for your vehicle application
SaleBestseller No. 2
MAYASAF 2.25" Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield (EPA Compliant)
  • 【Vehicle Fitment】Standard 2.25 inches inside diameter inlet /outlet, 13 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.
  • 【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.
  • 【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/ or welding, professional installation is highly recommended.
  • 【EPA CERTIFIED but Non-compliant with CARB】Backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. But the listed product has not been registered with CARB nor received an EO number. It is prohibited from sale in states which have adopted California's vehicle emission standards, such as California. Consult your state’s aftermarket converter regulations.
  • 【Worry-free Aftermarket】Well-packaged and Free shipping, kindly contact us first if you have any problems, let's make it right!
Bestseller No. 3
MAYASAF【2 pack】2.25" Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield (EPA Compliant), 2 pack
  • 【Vehicle Fitment】Standard 2.25 inches inside diameter inlet /outlet, 13 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.
  • 【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.
  • 【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.
  • 【EPA CERTIFIED but Non-compliant with CARB】Backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. But the listed product has not been registered with CARB nor received an EO number. It is prohibited from sale in states which have adopted California's vehicle emission standards, such as California. Consult your state’s aftermarket converter regulations.
  • 【Worry-free Aftermarket】Well-packaged and Free shipping, kindly contact us first if you have any problems, let's make it right!
SaleBestseller No. 4
MAYASAF 2" Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield (EPA Compliant)
  • 【Vehicle Fitment】Standard 2 inches inside diameter inlet /outlet, 13 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.
  • 【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.
  • 【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.
  • 【EPA CERTIFIED but Non-compliant with CARB】Backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. But the listed product has not been registered with CARB nor received an EO number. It is prohibited from sale in states which have adopted California's vehicle emission standards, such as California. Consult your state’s aftermarket converter regulations.
  • 【Worry-free Aftermarket】Well-packaged and Free shipping, kindly contact us first if you have any problems, let's make it right!
Bestseller No. 5
Catalytic Converter Compatible with 2003-2007 Honda Accord 2.4L Direct-Fit Stainless Steel (EPA Compliant)
  • AUTOSAVER88 direct-fit catalytic converter is designed to meet or even exceed OE quality and performance standards.
  • Features heavy-duty stainless steel outer shell construction for maximum durability. The internal substrates and precious metal loading have been carefully engineered for maximum efficiency.
  • The standard OE specification flanges are designed for easy installation, direct bolts to existing exhaust system without doing extra modification (comes with gasket and hardware).
  • Genuine federal EPA certification every catalytic converter is stamped with an exclusive EPA number on the shell. Federal EPA certificated catalytic converters are backed 5 years or 50,000 miles limited warranty.
  • Vehicle Fitment: Compatible with 2003 2004 2005 2006 2007 Honda Accord 2.4L, please check product description page below for more references.
SaleBestseller No. 6
AUTOSAVER88 Catalytic Converter Compatible with 2004-2009 Prius 1.5L Direct-Fit (EPA Compliant)
  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • VEHICLE FITMENT: Compatible with 2004 2005 2006 2007 2008 2009 Prius 1.5L, please check the product description page below for details.
  • DIRECT FIT DESIGN: Adopted the advanced laser-cutting tech, the flange is designed to meet standard OE specifications without extra modification, and all installation holes are firmly and exactly fixed with attached gaskets and hardware.
  • HIGHER EFFICIENCY & QUALITY: Internal ceramic substrates contain ample metal catalysts and offer a larger surface area to fully react; Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting.
  • EPA CERTIFIED: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect. (NOTE: Professional installation would be highly recommended)
SaleBestseller No. 7
AUTOSAVER88 ATCC0017 2.25" Inlet/Outlet Universal Catalytic Converter with O2 Port and Heat Shield (EPA Compliant)
  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • FITMENT: Universal fit for vehicles with 2.25-inch outer diameter exhaust pipe while cutting and welding may be required so professional installation is highly recommended.
  • HIGH EFFICIENCY: Internal honeycomb ceramic substrates have a porous structure to increase the reaction area, and ensure sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate.
  • DURABILITY: Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting even in extreme conditions.
  • WORRY-FREE PURCHASE: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect.
SaleBestseller No. 8
AutoShack EM26339 Catalytic Converter Exhaust Pipe Direct Fit Replacement for 2004 2005 2006 2007 2008 2009 Toyota Prius 1.5L (EPA Compliant)
  • Direct fit for installation onto existing exhaust system. Hardware included. 100% new
  • EPA Compliant
  • Made from premium quality materials to meet OEM specifications
  • This product is not legal for sale or use in California, Colorado, New York and Maine due to state emissions regulations
  • Replacement for 2004 2005 2006 2007 2008 2009 Toyota Prius 1.5L. Please use Amazon's vehicle fitment tool (located at the top of the listing on desktop, below the images on mobile) to confirm that the part is correct for your vehicle application
SaleBestseller No. 9
BONILORA Universal 2.25" Catalytic Converter High Flow T409 Stainless Steel 53004
  • Condition: Brand New & High Quality Universal Catalytic Converter, 100% Tested before shipping to ensure product safety, stability and durability.
  • Part Number: 53005;53004 . Please check the part number before purchasing to ensure fitment.
  • Compatible with: EPA Approved 2.25" Inlet/Outlet Universal
  • It is high corrosion and wear resistance.resistant to thermal shock and cracking,long service life.
  • Easy to install, just Plug-and-play, Direct replace your vehicle’s original factory component.We provide 100% perfect customer service,Any questions please sent email to us.
SaleBestseller No. 10
AUTOSAVER88 Catalytic Converter Compatible with 1999-2007 Chevy Silverado GMC Sierra 1500 2500, Chevrolet Tahoe/Avalanche Suburban 1500, GMC Yukon/Cadillac Escalade 4.3L 4.8L 5.3L (EPA Compliant)
  • AUTOSAVER88 direct-fit catalytic converter is designed to meet or even exceed OE quality and performance standards.
  • Features heavy-duty stainless steel outer shell construction for maximum durability. The internal substrates and precious metal loading have been carefully engineered for maximum efficiency.
  • The standard OE specification flanges are designed for easy installation, direct bolts to existing exhaust system without doing extra modification.
  • Genuine federal EPA certification every catalytic converter is stamped with an exclusive EPA number on the shell. Federal EPA certificated catalytic converters are backed 5 years or 50,000 miles limited warranty.
  • Vehicle Fitment: Compatible with 1999-2007 Chevy Silverado 1500 2500 / Tahoe / Avalanche 1500 / Suburban 1500, GMC Sierra 1500 2500 / Yukon, Cadillac Escalade, please check product description page below for more references.

Last update on 2022-08-11 / Affiliate links / Images from Amazon Product Advertising API

How to find the best catalytic converters?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best catalytic converters for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good catalytic converters recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the catalytic converters need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for catalytic converters to find what you’re looking for:

Brand

In some cases, the brand of catalytic converters is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given catalytic converters are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about catalytic converters are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare catalytic converters quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best catalytic converters can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.